Quality of Service
QoS Features and Components
416 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
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QoS Workflow
To configure general QoS parameters, perform the following:
STEP 1 Enable QoS by using the QoS Properties page to select the trust mode. Then enable QoS on
ports by using the Interface Settings page.
STEP 2 Assign each interface a default CoS or DSCP priority by using the QoS Properties page.
STEP 3 Assign the schedule method (Strict Priority or WRR) and bandwidth allocation for WRR to
the egress queues by using the Queue page.
STEP 4 Designate an egress queue to each IP DSCP/TC value with the DSCP to Queue page. If the
device is in DSCP trusted mode, incoming packets are put into the egress queues based on the
their DSCP/TC value.
STEP 5 Designate an egress queue to each CoS/802.1p priority. If the device is in CoS/802.1 trusted
mode, all incoming packets are put into the designated egress queues according to the CoS/
802.1p priority in the packets. This is done by using the CoS/802.1p to Queue page.
STEP 6 Enter bandwidth and rate limits in the following pages:
a. Set egress shaping per queue by using the Egress Shaping Per Queue page.
b. Set ingress rate limit and egress shaping rate per port by using the Bandwidth page.
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